.vt-preview * {box-sizing:border-box} .vt-preview [hidden]{display:none!important}
.vt-preview button,.vt-preview input,.vt-preview select {font:inherit} .vt-preview button,.vt-preview a,.vt-preview select{-webkit-tap-highlight-color:transparent}
.vt-preview a {color:var(--vt-forest);text-decoration:none} .vt-preview button {cursor:pointer} .vt-preview button:disabled{cursor:default;opacity:.5}
.vt-preview svg{display:block;width:20px;height:20px;flex-shrink:0;stroke:currentColor;stroke-width:1.75;fill:none;stroke-linecap:round;stroke-linejoin:round}
.vt-preview :focus-visible{outline:3px solid #16765b;outline-offset:4px} .vt-preview button:focus:not(:focus-visible){outline:none}
.vt-preview h1,.vt-preview h2,.vt-preview h3,.vt-preview p{margin:0} .vt-preview h1,.vt-preview h2,.vt-preview h3 {line-height:1.23;letter-spacing:-.03em}
.vt-preview h2{font-size:23px;font-weight:730} .vt-preview h3{font-size:17px;font-weight:700} .vt-preview p {color:var(--vt-muted)}
.vt-preview .wrap{width:min(var(--vt-content),calc(100% - 64px));margin:auto}
.vt-preview .skip-link{position:fixed;top:-80px;left:20px;z-index:100;padding:12px 18px;background:#fff;box-shadow:var(--vt-shadow)}.vt-preview .skip-link:focus{top:12px}
.vt-preview .preview-strip{background:#f5f8f6;border-bottom:1px solid #e8eeea;color:#53685e;font-size:11px;letter-spacing:.025em}
.vt-preview .preview-strip .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:32px}
.vt-preview .preview-strip button{border:0;background:none;color:var(--vt-forest);padding:4px 0;font-size:11px;font-weight:650}
.vt-preview .site-header{border-bottom:1px solid #e9efeb;position:relative;z-index:10;background:rgba(255,255,255,.98)}
.vt-preview .header-inner{height:80px;display:flex;align-items:center;gap:42px}
.vt-preview .brand{display:flex;align-items:center;flex-shrink:0}.vt-preview .brand img{display:block;width:158px;height:41px;object-fit:contain;mix-blend-mode:multiply}
.vt-preview .desktop-nav{display:flex;gap:30px;align-items:center;font-size:14px;font-weight:650}
.vt-preview .nav-link{background:none;border:0;padding:10px 0;color:#263d49;display:flex;align-items:center;gap:6px}.vt-preview .nav-link:hover{color:var(--vt-green)}
.vt-preview .nav-link svg{width:14px;height:14px}
.vt-preview .nav-group{position:relative}.vt-preview .topic-menu{position:absolute;top:48px;left:-20px;width:272px;background:#fff;border:1px solid var(--vt-border);box-shadow:var(--vt-shadow);padding:10px;border-radius:14px;display:grid;gap:2px}
.vt-preview .topic-menu a{font-size:14px;padding:9px 12px;border-radius:8px;color:var(--vt-ink);display:flex;align-items:center;gap:12px}.vt-preview .topic-menu a:hover{background:var(--vt-mint)}
.vt-preview .header-actions{margin-left:auto;display:flex;align-items:center;gap:17px}
.vt-preview .icon-button{width:42px;min-height:42px;border:1px solid transparent;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;background:transparent;color:var(--vt-ink)}
.vt-preview .icon-button:hover{background:var(--vt-mint);color:var(--vt-forest)}
.vt-preview .language-select{background:#fff;color:#263d49;border:1px solid var(--vt-border);border-radius:9px;height:38px;font-size:12px;font-weight:700;padding:0 9px;min-width:68px}
.vt-preview .mobile-toggle{display:none}.vt-preview .mobile-nav{padding:12px 24px 20px;border-top:1px solid var(--vt-border)}.vt-preview .mobile-nav a{display:block;padding:10px;font-weight:650}
.vt-preview .breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:9px;font-size:12px;padding-top:27px;color:var(--vt-muted)}.vt-preview .breadcrumb svg{width:12px;height:12px;color:#9baaa3}.vt-preview .breadcrumb a{color:#526977}
.vt-preview .hero{position:relative;padding:33px 0 32px;display:flex;gap:21px;align-items:center;isolation:isolate}
.vt-preview .hero:after{content:'';position:absolute;z-index:-1;right:-28px;top:-32px;width:220px;height:298px;background:linear-gradient(90deg,#fff0,#fff0),url('../img/botanical-approved.webp') right top/165px auto no-repeat;mask-image:linear-gradient(0deg,transparent 0%,#000 35%),linear-gradient(90deg,transparent 0%,#000 35%);mask-composite:intersect;opacity:.72;pointer-events:none}
.vt-preview .hero-icon{width:76px;height:84px;border-radius:17px;background:linear-gradient(145deg,#e2f1e8,#f0f8f2);display:flex;align-items:center;justify-content:center;color:var(--vt-forest);flex-shrink:0}.vt-preview .hero-icon svg{width:39px;height:45px;stroke-width:1.8}
.vt-preview .hero-copy{max-width:790px;padding-right:10px}.vt-preview .eyebrow{display:inline-flex;align-items:center;gap:6px;background:#e5f3e9;color:#175c44;border-radius:99px;padding:3px 10px;font-size:10px;text-transform:uppercase;letter-spacing:.075em;font-weight:700;margin-bottom:11px}.vt-preview .eyebrow svg{width:12px;height:12px}
.vt-preview h1{font-size:clamp(30px,3.25vw,46px);font-weight:780;letter-spacing:-.045em;margin-bottom:12px;color:#102836}
.vt-preview .hero-description{max-width:650px;font-size:16px;line-height:1.65}.vt-preview .hero-note{display:flex;align-items:center;gap:6px;font-size:11px;color:#687e74;margin-top:11px}.vt-preview .hero-note svg{width:13px;height:13px}
.vt-preview .workspace{display:grid;grid-template-columns:minmax(0,1fr) 252px;gap:26px;align-items:start}
.vt-preview .calculator{background:#fff;border:1px solid #e0e9e3;border-radius:18px;box-shadow:var(--vt-shadow);padding:24px;position:relative;z-index:1}
.vt-preview .tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:4px;padding:5px;background:#f1f6f4;border-radius:10px;margin-bottom:25px}
.vt-preview .tab{border:0;background:transparent;color:#475d6b;padding:11px 6px;min-height:46px;border-radius:7px;font-size:12px;font-weight:650;line-height:1.35}
.vt-preview .tab:hover{color:var(--vt-green);background:#e7f0eb}.vt-preview .tab[aria-selected=true]{color:#fff;background:linear-gradient(110deg,#086448,#217f61);box-shadow:0 2px 4px #084a3217}
.vt-preview .calculation-caption{font-size:14px;font-weight:650;color:#314b58;margin-bottom:17px;display:flex;justify-content:space-between;align-items:start;gap:12px}.vt-preview .calculation-caption span{font-size:10px;color:#748779;font-weight:500;white-space:nowrap;letter-spacing:.02em;padding-top:3px}
.vt-preview .options-row{display:flex;align-items:center;gap:12px;margin-bottom:18px;padding:10px 12px;background:#f6f9f7;border-radius:9px}.vt-preview .options-row label{font-size:12px;color:#506859;flex:1}.vt-preview .options-row select{max-width:70%;font-size:12px;border:1px solid #d2e0d7;background:white;border-radius:7px;padding:8px;color:#264c3b}
.vt-preview .field-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:11px}.vt-preview .field label{display:block;font-size:12px;font-weight:650;color:#345061;margin-bottom:7px}
.vt-preview .input-wrap{display:flex;border:1px solid #cddbd6;border-radius:9px;background:#fff;align-items:center;transition:border-color .15s,box-shadow .15s;overflow:hidden}.vt-preview .input-wrap:focus-within{border-color:#298b66;box-shadow:0 0 0 3px #1d86551a}
.vt-preview .input-wrap input{min-width:0;width:100%;font-size:19px;border:0;outline:0;background:transparent;color:#183748;padding:11px 14px;height:50px;line-height:1.2;font-variant-numeric:tabular-nums}
.vt-preview .input-wrap:has(input[aria-invalid=true]){border-color:var(--vt-error);background:var(--vt-error-soft)}.vt-preview .input-affix{font-size:13px;padding:0 14px 0 0;color:#70847a;line-height:1;white-space:nowrap}
.vt-preview .field-error{font-size:12px;color:var(--vt-error);margin-top:6px;line-height:1.45}
.vt-preview .number-hint{font-size:11px;color:#70816f;display:flex;gap:6px;align-items:start;margin-bottom:18px}.vt-preview .number-hint svg{width:13px;height:13px;margin-top:2px;flex-shrink:0}
.vt-preview .primary-button{display:flex;align-items:center;justify-content:center;gap:9px;width:100%;min-height:49px;background:linear-gradient(110deg,#085a42,#1a7a59);border:1px solid #0d6447;box-shadow:inset 0 1px 0 #ffffff20,0 2px 3px #244b3312;border-radius:8px;color:#fff;font-size:14px;font-weight:700;transition:transform .15s,filter .15s}.vt-preview .primary-button:hover{filter:brightness(1.075);transform:translateY(-1px)}.vt-preview .primary-button:active{transform:translateY(0)}.vt-preview .primary-button svg{width:18px;height:18px}
.vt-preview .result-box{background:linear-gradient(115deg,#f0f8f3,#e9f4ee);border:1px solid #e4efe7;border-radius:12px;padding:20px 22px 16px;margin-top:18px;text-align:center;position:relative;min-height:173px}
.vt-preview .result-toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;color:#597467;font-size:10px;letter-spacing:.075em;text-transform:uppercase;font-weight:650}.vt-preview .result-toolbar svg{width:15px;height:15px}.vt-preview .result-toolbar button{border:0;background:none;padding:3px;color:#496c5b;display:flex;align-items:center;gap:5px;font-size:10px;letter-spacing:0;min-height:28px}
.vt-preview .result-context{font-size:13px;color:#3d6153;margin-top:4px}.vt-preview .result-number{font-weight:770;line-height:1.1;letter-spacing:-.055em;font-size:51px;color:#0b3f31;font-variant-numeric:tabular-nums;overflow-wrap:anywhere;margin:5px 0 8px}.vt-preview .result-formula{color:#526e60;font-size:12px;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.vt-preview .result-box.is-stale{background:#f4f6f5;border-color:#e0e5e2}.vt-preview .result-box.is-stale .result-number{opacity:.3}.vt-preview .result-box.is-stale .result-formula{color:#806a30}
.vt-preview .calculator-footer{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:14px;font-size:11px;color:#6b8173}.vt-preview .precision-group{display:flex;align-items:center;gap:5px}.vt-preview .precision-group select{padding:5px;border:0;border-radius:5px;background:#f7f9f7;color:#496150;font-size:11px}.vt-preview .reset-button{display:flex;align-items:center;gap:5px;color:#5e7769;border:0;background:none;font-size:11px;min-height:32px;padding:4px}.vt-preview .reset-button svg{width:13px;height:13px}
.vt-preview .side-column{padding-top:8px}.vt-preview .botanical-note{min-height:213px;padding:23px 22px 83px;border:1px solid #e3e9dc;border-radius:16px;background:linear-gradient(180deg,#f5f7eafc 0%,#f5f7eae8 45%,#f5f7ea00 90%),url('../img/landscape-approved.webp') center bottom/auto 145px no-repeat;overflow:hidden}
.vt-preview .botanical-note .tiny-label{font-size:9px;font-weight:700;letter-spacing:.14em;color:#6d8066}.vt-preview .botanical-note h2{font-size:24px;line-height:1.18;color:#2c513d;margin-top:13px;max-width:185px;letter-spacing:-.045em}
.vt-preview .example-list{margin-top:24px}.vt-preview .example-list h3{font-size:13px;letter-spacing:0;color:#3b5648;margin-bottom:10px}.vt-preview .example-button{display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%;border:1px solid #e0e8e2;background:#fff;padding:11px 12px;margin-top:7px;border-radius:9px;color:#4e685a;text-align:left;font-size:11px;line-height:1.4;min-height:46px;transition:border-color .15s,background .15s}.vt-preview .example-button:hover{background:#f4f9f4;border-color:#94b69e}.vt-preview .example-button strong{display:block;font-size:13px;color:#29493b;font-weight:650}.vt-preview .example-button svg{width:15px;height:15px}
.vt-preview .section{padding-top:39px}.vt-preview .section-intro{font-size:13px;margin-top:9px;max-width:720px}.vt-preview .steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px;margin-top:18px}.vt-preview .step{display:flex;align-items:center;gap:14px;padding:19px 17px;border:1px solid #e0e9e4;border-radius:12px;background:linear-gradient(120deg,#fff,#fbfdfb)}.vt-preview .step-number{width:43px;height:43px;flex-shrink:0;border-radius:50%;background:#eaf5ed;color:var(--vt-forest);font-size:16px;display:flex;align-items:center;justify-content:center;font-weight:700}.vt-preview .step-number svg{width:20px;height:20px}.vt-preview .step h3{font-size:13px;line-height:1.4;letter-spacing:-.01em}.vt-preview .step p{font-size:12px;line-height:1.55;margin-top:4px}
.vt-preview .two-columns{display:grid;grid-template-columns:1fr 1fr;gap:35px}.vt-preview .explanation{font-size:13px;line-height:1.8;margin-top:11px}.vt-preview .formula-panel{margin-top:14px;padding:15px 17px;display:flex;align-items:center;gap:13px;background:#eef7f1;border-radius:10px;color:var(--vt-forest);min-height:69px}.vt-preview .formula-panel svg{width:24px;height:28px}.vt-preview .formula-panel strong{display:block;font-size:11px;margin-bottom:3px}.vt-preview .formula-panel span{color:#466754;font-size:12px;display:block;overflow-wrap:anywhere}
.vt-preview .quick-example{border-left:1px solid #e5ede8;padding-left:34px}.vt-preview .example-equation{font-size:16px;letter-spacing:-.01em;font-variant-numeric:tabular-nums;color:#2e5140;margin:17px 0 14px;overflow-wrap:anywhere}.vt-preview .tip{display:flex;align-items:center;gap:12px;background:#fff7e6;border-radius:10px;padding:15px 16px;color:#845722;font-size:12px;min-height:69px}.vt-preview .tip svg{width:24px;height:24px;color:#b77c24}
.vt-preview .section-heading{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:16px}.vt-preview .section-heading h2{font-size:20px}.vt-preview .section-heading .subtle-link{font-size:11px;display:flex;align-items:center;gap:5px;font-weight:650}.vt-preview .subtle-link svg{width:13px;height:13px}.vt-preview .section-heading .demo-tag{font-size:9px;padding:4px 8px;white-space:nowrap;color:#796136;background:#fcf5e7;border:1px solid #f0e5c9;border-radius:99px}
.vt-preview .guide-card{border:1px solid #dbe7df;border-radius:13px;padding:20px;display:flex;gap:17px;background:linear-gradient(115deg,#ffffff,#f8fbf6);min-height:182px;transition:transform .15s,box-shadow .15s}.vt-preview .guide-card:hover{transform:translateY(-2px);box-shadow:var(--vt-shadow)}
.vt-preview .guide-visual{flex-shrink:0;width:83px;min-height:130px;border-radius:10px;background:linear-gradient(140deg,#fff6df,#edf4e4);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;color:#537340}.vt-preview .guide-visual svg{width:30px;height:30px;color:#bf7726}.vt-preview .guide-visual .math-glyph{font-size:36px;font-weight:650;line-height:1.1;letter-spacing:-.05em}.vt-preview .guide-visual .math-glyph small{font-size:18px}
.vt-preview .content-type{font-size:9px;text-transform:uppercase;letter-spacing:.08em;font-weight:700;color:#1f704e;display:block;margin-bottom:8px}.vt-preview .guide-card h3{color:#203d30;font-size:17px;line-height:1.33;letter-spacing:-.025em}.vt-preview .guide-card p{font-size:12px;line-height:1.7;margin-top:8px}.vt-preview .card-action{display:flex;align-items:center;gap:7px;color:#176342;font-size:11px;font-weight:700;margin-top:14px}.vt-preview .card-action svg{width:14px;height:14px}.vt-preview .footnote{font-size:10px;color:#738071;margin-top:9px}
.vt-preview .editorial-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}.vt-preview .article-card{border:1px solid #e2e8e1;background:#fff;border-radius:12px;padding:12px;text-align:left;display:flex;flex-direction:column;min-width:0;color:var(--vt-ink);transition:transform .15s}.vt-preview .article-card:hover{transform:translateY(-2px);box-shadow:var(--vt-shadow)}
.vt-preview .article-art{height:72px;border-radius:7px;margin-bottom:12px;display:flex;align-items:center;justify-content:center;gap:9px;overflow:hidden;position:relative;isolation:isolate}.vt-preview .article-art:after{content:'';height:80px;width:80px;border:1px solid #ffffff80;border-radius:50%;position:absolute;right:-10px;top:15px;z-index:-1}.vt-preview .art-daily{background:linear-gradient(130deg,#ecf3e8,#e0eddb);color:#416138}.vt-preview .art-sale{background:linear-gradient(130deg,#fff3dc,#f7e9cf);color:#8c6535}.vt-preview .article-art .art-number{font-size:34px;line-height:1;font-weight:740;letter-spacing:-.055em}.vt-preview .article-art svg{width:27px;height:27px}.vt-preview .article-card h3{font-size:13px;line-height:1.4;letter-spacing:-.02em}.vt-preview .article-card p{font-size:11px;margin-top:5px;line-height:1.6}.vt-preview .article-card .card-action{margin-top:auto;padding-top:10px;font-size:10px}
.vt-preview .bottom-section{padding:36px 0 49px}.vt-preview .related-tools{display:grid;grid-template-columns:repeat(4,1fr);gap:11px}.vt-preview .tool-card{border:1px solid #dfe8e4;border-radius:11px;padding:13px 12px;display:flex;flex-direction:column;min-width:0;transition:transform .15s,box-shadow .15s}.vt-preview .tool-card:hover{transform:translateY(-2px);box-shadow:var(--vt-shadow)}.vt-preview .tool-card .small-icon{display:flex;align-items:center;justify-content:center;width:35px;height:35px;border-radius:8px;margin-bottom:12px}
.vt-preview .tool-card h3{font-size:11px;line-height:1.4;letter-spacing:-.01em}.vt-preview .tool-card p{font-size:10px;line-height:1.55;margin:7px 0 12px}.vt-preview .tool-card .card-action{font-size:9px;margin-top:auto}.vt-preview .tool-card .card-action svg{width:12px;height:12px}
.vt-preview .faq details{border:1px solid #e1e8e4;border-radius:8px;margin-bottom:8px;background:#fff}.vt-preview .faq summary{cursor:pointer;padding:11px 13px;display:flex;align-items:center;justify-content:space-between;gap:14px;font-size:12px;color:#365142;list-style:none;line-height:1.5}.vt-preview .faq summary::-webkit-details-marker{display:none}.vt-preview .faq summary svg{width:14px;height:14px}.vt-preview .faq details[open] summary svg{transform:rotate(180deg)}.vt-preview .faq details[open]{background:#fcfefc}.vt-preview .faq details p{font-size:12px;line-height:1.8;padding:0 14px 13px;color:#596e60}
.vt-preview .site-footer{border-top:1px solid #e3eae5;background:#fbfdfb}.vt-preview .footer-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:25px 0}.vt-preview .footer-brand{display:flex;align-items:center;gap:16px}.vt-preview .footer-brand img{width:117px;height:31px;object-fit:contain;mix-blend-mode:multiply}.vt-preview .footer-brand p{font-size:10px;max-width:235px;color:#6c8174}.vt-preview .footer-links{display:flex;gap:18px;flex-wrap:wrap;font-size:11px;color:#5b7365}.vt-preview .footer-bottom{border-top:1px solid #edf1ed;padding:11px 0 16px;display:flex;justify-content:space-between;gap:15px;font-size:10px;color:#6c8174}
.vt-preview .toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:#153f30;color:#fff;border:1px solid #326c51;box-shadow:var(--vt-shadow);padding:11px 19px;border-radius:10px;z-index:90;font-size:13px;max-width:calc(100% - 32px);text-align:center}
.vt-preview dialog{border:1px solid #dce7df;border-radius:19px;padding:0;max-height:85vh;width:min(660px,calc(100% - 32px));max-width:calc(100% - 32px);color:var(--vt-ink);box-shadow:0 28px 100px #18352e44;font:inherit;background:#fff}.vt-preview dialog::backdrop{background:#173f3255;backdrop-filter:blur(4px)}.vt-preview .dialog-header{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:21px 24px;border-bottom:1px solid #e5ede6}.vt-preview .dialog-header h2{font-size:21px}.vt-preview .dialog-body{padding:22px 24px}.vt-preview .dialog-body p{font-size:14px;line-height:1.9;margin-bottom:16px}.vt-preview .dialog-body h3{margin:22px 0 9px}.vt-preview .dialog-body .demo-disclaimer{background:#fff7e6;color:#7c5925;padding:10px 13px;border-radius:8px;font-size:12px}
.vt-preview .search-input{width:100%;border:1px solid #cbdacf;border-radius:10px;padding:13px 15px;font-size:16px;color:#244231;margin-bottom:12px}.vt-preview .search-note{font-size:11px!important;color:#6e8074}.vt-preview .search-results{max-height:390px;overflow:auto;list-style:none;padding:0;margin:0}.vt-preview .search-result{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 10px;border-bottom:1px solid #edf2ee}.vt-preview .search-result:hover{background:#f5faf5}.vt-preview .search-result strong{display:block;font-size:14px;font-weight:650}.vt-preview .search-result small{display:block;font-size:11px;color:#738274}.vt-preview .search-result svg{width:15px;height:15px}.vt-preview .no-results{padding:20px 4px;font-size:14px;color:#718270}.vt-preview .search-count{font-size:11px;margin:0 0 6px!important;color:#748674}
.vt-preview .mockup-dialog{width:min(1230px,calc(100% - 32px))}.vt-preview .mockup-dialog img{width:100%;height:auto;display:block}.vt-preview .mockup-dialog .dialog-body{padding:0}
.vt-preview .sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(min-width:1600px){.vt-preview .wrap{max-width:1240px}.vt-preview .workspace{grid-template-columns:minmax(0,1fr) 280px}}
@media(max-width:1080px){.vt-preview .header-inner{gap:25px}.vt-preview .desktop-nav{gap:22px}.vt-preview .workspace{grid-template-columns:minmax(0,1fr) 218px;gap:20px}.vt-preview .calculator{padding:20px}.vt-preview .hero:after{opacity:.36;right:-12px}.vt-preview h1{font-size:39px}.vt-preview .hero-copy{max-width:680px}.vt-preview .related-tools{grid-template-columns:repeat(2,1fr)}.vt-preview .tool-card h3{font-size:13px}.vt-preview .tool-card p{font-size:11px}.vt-preview .tool-card .card-action{font-size:10px}.vt-preview .two-columns{gap:24px}.vt-preview .step{padding:16px 12px;gap:10px}.vt-preview .step-number{width:34px;height:34px}.vt-preview .section-heading h2{font-size:19px}.vt-preview .footer-brand p{max-width:190px}}
@media(max-width:860px){.vt-preview .wrap{width:calc(100% - 48px)}.vt-preview .header-inner{height:70px}.vt-preview .brand img{width:135px;height:36px}.vt-preview .desktop-nav{gap:20px;font-size:12px}.vt-preview .header-actions{gap:8px}.vt-preview .workspace{grid-template-columns:1fr}.vt-preview .side-column{display:none}.vt-preview .hero:after{width:148px;height:240px;opacity:.24;background-size:125px auto}.vt-preview .hero{gap:17px}.vt-preview h1{font-size:36px}.vt-preview .hero-icon{width:64px;height:72px}.vt-preview .hero-description{max-width:580px;font-size:14px}.vt-preview .two-columns{grid-template-columns:1fr 1fr;gap:23px}.vt-preview .reading-columns{grid-template-columns:1fr}.vt-preview .editorial-grid{grid-template-columns:1fr 1fr}.vt-preview .article-card{display:grid;grid-template-columns:100px 1fr;grid-template-rows:auto auto auto;column-gap:14px;padding:14px}.vt-preview .article-art{height:100%;min-height:114px;grid-row:1/4;margin:0}.vt-preview .article-card h3{font-size:14px}.vt-preview .article-card p{font-size:12px}.vt-preview .article-card .card-action{font-size:11px;padding-top:9px}.vt-preview .reading-columns{gap:27px}.vt-preview .guide-card{min-height:0}.vt-preview .guide-visual{min-height:122px}.vt-preview .footer-inner{flex-wrap:wrap;gap:20px}.vt-preview .footer-links{margin-left:auto}.vt-preview .preview-strip{font-size:10px}}
@media(max-width:620px){.vt-preview .wrap{width:calc(100% - 36px)}.vt-preview .desktop-nav{display:none}.vt-preview .mobile-toggle{display:inline-flex}.vt-preview .header-inner{height:66px;gap:10px}.vt-preview .brand img{width:127px;height:33px}.vt-preview .header-actions{gap:4px}.vt-preview .icon-button{width:38px;height:40px;min-height:40px}.vt-preview .language-select{font-size:11px;height:35px;min-width:56px;padding:0 6px}.vt-preview .preview-strip .wrap{gap:8px;min-height:30px}.vt-preview .preview-strip .wrap>span{font-size:9px}.vt-preview .preview-strip button{font-size:10px}.vt-preview .breadcrumb{font-size:10px;gap:5px;padding-top:20px;line-height:1.7}.vt-preview .breadcrumb svg{width:10px;height:10px}.vt-preview .hero{padding:23px 0 25px;gap:12px;align-items:flex-start}.vt-preview .hero-icon{width:46px;height:52px;border-radius:11px;margin-top:26px}.vt-preview .hero-icon svg{width:28px;height:31px}.vt-preview .hero-copy{padding:0}.vt-preview h1{font-size:29px;line-height:1.12;margin-bottom:11px}.vt-preview .eyebrow{font-size:8px;padding:2px 8px;margin-bottom:9px}.vt-preview .hero-description{font-size:12px;line-height:1.7}.vt-preview .hero-note{font-size:9px;margin-top:9px}.vt-preview .hero:after{display:none}.vt-preview .calculator{padding:15px;border-radius:14px}.vt-preview .tabs{grid-template-columns:repeat(2,minmax(0,1fr));margin-bottom:20px;gap:5px;padding:5px}.vt-preview .tab{min-height:42px;padding:9px 4px;font-size:11px}.vt-preview .calculation-caption{font-size:13px;margin-bottom:14px;flex-wrap:wrap;gap:3px}.vt-preview .calculation-caption span{font-size:9px;padding:0}.vt-preview .field-grid{gap:12px}.vt-preview .field label{font-size:11px;line-height:1.55;min-height:18px}.vt-preview .input-wrap input{font-size:18px;padding:10px;height:48px}.vt-preview .input-affix{padding-right:10px;font-size:12px}.vt-preview .number-hint{font-size:10px;line-height:1.6;margin-bottom:14px}.vt-preview .primary-button{min-height:47px;font-size:13px}.vt-preview .result-box{margin-top:15px;padding:14px 15px;min-height:160px}.vt-preview .result-number{font-size:46px}.vt-preview .result-context{font-size:12px}.vt-preview .result-formula{font-size:11px}.vt-preview .result-toolbar{font-size:9px}.vt-preview .calculator-footer{font-size:10px;margin-top:10px}.vt-preview .precision-group select{font-size:10px}.vt-preview .reset-button{font-size:10px}.vt-preview .section{padding-top:30px}.vt-preview h2{font-size:21px}.vt-preview .section-intro{font-size:12px;margin-top:8px}.vt-preview .steps{grid-template-columns:1fr;gap:9px;margin-top:15px}.vt-preview .step{gap:13px;padding:15px}.vt-preview .step h3{font-size:13px}.vt-preview .step p{font-size:12px;line-height:1.6}.vt-preview .step-number{width:35px;height:35px}.vt-preview .two-columns{grid-template-columns:1fr;gap:26px}.vt-preview .quick-example{padding-left:0;border-left:0}.vt-preview .explanation{font-size:12px}.vt-preview .formula-panel{padding:14px;margin-top:12px}.vt-preview .formula-panel span{font-size:11px}.vt-preview .example-equation{font-size:14px;margin:12px 0}.vt-preview .tip{font-size:11px}.vt-preview .section-heading h2{font-size:19px}.vt-preview .section-heading .subtle-link{font-size:10px}.vt-preview .section-heading .demo-tag{font-size:8px}.vt-preview .guide-card{padding:16px;gap:13px;border-radius:12px}.vt-preview .guide-visual{width:61px;min-height:125px}.vt-preview .guide-card h3{font-size:15px;line-height:1.4}.vt-preview .guide-card p{font-size:11px;line-height:1.7}.vt-preview .card-action{font-size:10px}.vt-preview .content-type{font-size:8px;letter-spacing:.06em}.vt-preview .footnote{font-size:10px;line-height:1.7}.vt-preview .editorial-grid{grid-template-columns:1fr;gap:11px}.vt-preview .article-card{grid-template-columns:78px 1fr;column-gap:13px;padding:12px}.vt-preview .article-art{min-height:105px}.vt-preview .article-art .art-number{font-size:27px}.vt-preview .article-art svg{width:22px;height:22px}.vt-preview .article-art{gap:4px}.vt-preview .article-card h3{font-size:14px}.vt-preview .article-card p{font-size:11px}.vt-preview .article-card .card-action{font-size:10px}.vt-preview .bottom-section{padding:30px 0 35px}.vt-preview .tool-card{padding:15px 13px;min-height:189px}.vt-preview .tool-card h3{font-size:13px}.vt-preview .tool-card p{font-size:11px}.vt-preview .tool-card .card-action{font-size:10px}.vt-preview .faq summary{font-size:12px;min-height:44px;padding:12px}.vt-preview .faq details p{font-size:12px}.vt-preview .footer-inner{padding:24px 0;display:block}.vt-preview .footer-brand{gap:15px}.vt-preview .footer-brand img{width:108px;height:28px}.vt-preview .footer-brand p{font-size:9px;max-width:205px}.vt-preview .footer-links{margin-top:22px;font-size:11px;gap:20px}.vt-preview .footer-bottom{flex-direction:column;gap:6px;font-size:9px}.vt-preview .dialog-header{padding:17px 18px}.vt-preview .dialog-header h2{font-size:19px}.vt-preview .dialog-body{padding:18px}.vt-preview .options-row{flex-wrap:wrap;gap:7px}.vt-preview .options-row select{max-width:100%;width:100%;font-size:12px}.vt-preview .options-row label{font-size:11px}.vt-preview .search-result strong{font-size:13px}.vt-preview dialog{max-height:88vh}}
@media(max-width:355px){.vt-preview .wrap{width:calc(100% - 28px)}.vt-preview .brand img{width:105px;height:29px}.vt-preview .header-actions{gap:0}.vt-preview .hero-icon{display:none}.vt-preview h1{font-size:29px}.vt-preview .field-grid{grid-template-columns:1fr}.vt-preview .calculation-caption span{display:none}.vt-preview .calculator-footer{align-items:flex-start}.vt-preview .precision-group{flex-wrap:wrap;gap:1px}.vt-preview .section-heading .subtle-link{max-width:70px;text-align:right}.vt-preview .guide-visual{width:50px}.vt-preview .footer-links{gap:13px}}
@media(prefers-reduced-motion:reduce){.vt-preview *{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media print{.vt-preview .preview-strip,.vt-preview .site-header,.vt-preview .side-column,.vt-preview .reading-columns,.vt-preview .bottom-section,.vt-preview .site-footer,.vt-preview .header-actions{display:none!important}.vt-preview .wrap{width:100%}.vt-preview .workspace{display:block}.vt-preview .calculator{box-shadow:none}.vt-preview .hero:after{display:none}.vt-preview .primary-button{display:none}.vt-preview .result-box{break-inside:avoid}}
/* Final visual pass: soften the approved foliage crop and improve reading sizes. */
.vt-preview .hero:after{background:linear-gradient(90deg,#fff 8%,#ffffff00 67%),linear-gradient(0deg,#fff 0%,#ffffff00 40%),url('../img/botanical-approved.webp') right top/165px auto no-repeat;mask-image:radial-gradient(ellipse at 100% 45%,#000 25%,transparent 80%);mask-composite:add;opacity:.8}
.vt-preview .explanation{font-size:14px}.vt-preview .tool-card h3{font-size:12px}.vt-preview .tool-card p{font-size:11px}.vt-preview .tool-card .card-action{font-size:10px}
@media(max-width:860px){.vt-preview .hero:after{opacity:.25}}
@media(max-width:620px){.vt-preview .hero-description{font-size:14px}.vt-preview .hero-note{font-size:10px}.vt-preview .section-intro{font-size:13px}.vt-preview .step p{font-size:13px}.vt-preview .explanation{font-size:14px}.vt-preview .tool-card h3{font-size:13px}.vt-preview .faq details p{font-size:13px}}